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Mystery Number

Mystery Number. I am less than 150 and greater than 100. I am divisible by 7 and 5. What number am I? 105 or 140. Lesson 2-3. Line Plots. Line Plot.

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Mystery Number

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  1. Mystery Number • I am less than 150 and greater than 100. • I am divisible by 7 and 5. • What number am I? • 105 or 140

  2. Lesson 2-3 Line Plots

  3. Line Plot • One way to show how data are spread out is to use a line plot. A line plot is a diagram that shows the frequency of data on a number line. An “x” is placed above a number on a number line each time that data value occurs.

  4. Line Plot • You can make observations about the data from a line plot. Range: difference between the highest and the lowest number in the data. Cluster: data that appear to group together. x Gap: large space in data. x x x x x x x x x x x x x x x x x x x 0 2 4 6 8 10 12 14 16 18 20 Outliers are separated from the rest of the data

  5. Test Scores 98 90 97 85 86 92 92 93 95 79 91 92 91 94 88 90 93 92 Make a line plot and identify any outliers, clusters and gaps. x x x x x x x x x x x x x x x x x x 78 80 82 84 86 88 90 92 94 96 98

  6. Height of a Cactus 30 10 1 15 10 10 10 10 2 10 20 3 2 15 5 Make a line plot and identify any outliers, clusters and gaps. x x x x x x x x x x x x x x x 0 5 10 15 20 25 30 35

  7. Homework • Complete Lesson 2-3 # 1-8 ALL

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